5. A spider builds its web in a window frame that is lying on the ground. It is supported by four mainstrands. Calculate the force of tension in strand 4 assuming the web is stable. The tensions in the otherthree strands are as follows:strand 1: 21 mN [N 20° E]strand 2: 16 mN [S 60° E]strand 3: 18 mN [S 40° W]

Answered: Image /qna-images/answer/949ccb8e-3c46-4514-ad5a-93846fe38bb8.jpg

Answered: 5. A spider builds its web in a window…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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3. A uniform beam of mass 20 kg is suspended horizontally by a wall at one end and a cable that makes an angle of 0= 30° with the beam at the other end. The cable can sustain a maximum tension of 300 N before it breaks. a) What is the farthest distance from the wall (x) that a 10 kg mass can be suspended without the upper cable breaking? b) When x has this value what is the force exerted by the wall onto the beam? Wall 10 kg 10 m
QUESTION 14 A force stretches a wire by 4.0 mm. A third wire of the same material has the same length and twice the diameter as the first. How far will it be stretched by the same force? 4.0 mm 16 mm 1.0 mm 2.0 mm 8.0 mm
A woman is standing erect and with her elbow flexed 90°. She has an 80 N load in her hand and it has a 0.25 m lever arm to the elbow. Her biceps creates 800 N of force and it has a 0.02 m lever arm to the elbow. The type of contraction in the biceps is: Group of answer choices concentric isometric really big eccentric
By how much does a 65.0-kg mountain climber stretch her 0.800-cm diameter nylon rope when she hangs 35.0 m below a rock outcropping? (For nylon, Y = 1.35 × 109 Pa.)
Many caterpillars construct cocoons from silk, one of the strongest naturally occurring materials known. Each thread is typically 2.0 µm in diameter, and the silk has a Young's modulus of 4.0 x 10° N/m2. Assuming that there is no appreciable space between the parallel strands, how many strands N would be needed to N = strands make a rope 8.6 m long that would stretch only 1.02 cm when supporting a pair of 85-kg mountain climbers? Again assuming that there is no appreciable space between the parallel strands, what would be the diameter d of the rope? d = cm
A nylon string on a tennis racket is under a tension of 215 N. Part A If its diameter is 1.05 mm, by how much is it lengthened from its untensioned length of 30.0 cm ? Use ENylon = 5.00 × 10⁹ N/m². ΔΙ = 浴 ΑΣΦ ?
Many caterpillars construct cocoons from silk, one of the strongest naturally occurring materials known. Each thread is typically 2.0 µm in diameter, and the silk has a Young's modulus of 4.0 × 10⁹ N/m². Assuming that there is no appreciable space between the parallel strands, how many strands N would be needed to make a rope 8.2 m long that would stretch only 1.02 cm when supporting a pair of 91-kg mountain climbers? N = Again assuming that there is no appreciable space between the parallel strands, what would be the diameter d of the rope? strands d = cm
A television set rests on four rubber pads, each one having a height of 1.0 cm and a radius of 0.60 cm. If a 200-N horizontal force is applied to the television set, what is the shear stress on each of the pads assuming they do not slide on the floor? O A) 177 N/m2 B) 4.42x105 N/m² O C) 1.77x106 N/m2 D) 44.2 N/m2 acer Pauso Prisc Scrik F12 F11 F10 Home Ins SREATH End UGG Del KEFFECT WAVE# P Enter
A 5.0 x 102 N object is hung from the end of a wire of cross-sectional area 1x106 cm?. The wire stretches from its original length of 200.00 cm to 200.50 cm. What is the stress on the wire? A 5.0 x 10^8 N/m2 (B) 1.0 x 10^8 N/m2 (c) 5.0 x 102 N/m² D 1.0 x 10^6 N/m2
Orb Spiders make silk with a typical diameter of 0.15mm. 1)A typical orb spider has a mass of 0.50 g. If the spider suspended so from a single 12 cm long strand of self, by how much will the self stretch? 2)What is the maximum weight that a single strand of silk and support? 3)why do you have to lean forward when standing from a chair?

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